Richland County, Illinois

Richland County is a county located in the U.S. state of Illinois. According to the 2020 United States census, it had a population of 15,813. Its county seat is Olney.

History

Richland County was established in 1841 out of portions of East part of Clay and West part of Lawrence counties. It was named for Richland County, Ohio, where many of the early settlers migrated from. and (0.5%) is water.

Climate and weather

In recent years, average temperatures in the county seat of Olney have ranged from a low of in January to a high of in July, although a record low of was recorded in February 1951 and a record high of was recorded in July 1936. Average monthly precipitation ranged from in February to in May.

| align-fn = center

| footnote = U.S. Decennial Census<br />1790–1960 1900–1990<br />1990–2000 2010–2013 2020

54.7% of residents lived in urban areas, while 45.3% lived in rural areas.

The racial makeup of the county was 94.2% White, 0.5% Black or African American, 0.2% American Indian and Alaska Native, 0.8% Asian, <0.1% Native Hawaiian and Pacific Islander, 0.5% from some other race, and 3.7% from two or more races. Hispanic or Latino residents of any race comprised 1.7% of the population.

There were 6,621 households in the county, of which 27.7% had children under the age of 18 living in them. Of all households, 47.8% were married-couple households, 19.1% were households with a male householder and no spouse or partner present, and 26.1% were households with a female householder and no spouse or partner present. About 31.6% of all households were made up of individuals and 15.6% had someone living alone who was 65 years of age or older.

!Pop 1990

!Pop 2000

!Pop 2010

!style="background-color: #ffffb3;" | Pop 2020

!% 1980

!% 1990

!% 2000

!% 2010

!style="background-color: #ffffb3;" |% 2020

|White alone (NH)

|17,369

|16,392

|15,772

|15,673

|style='background: #ffffe6; |14,813

|98.76%

|99.08%

|97.67%

|96.55%

|style='background: #ffffe6; |93.68%

|Black or African American alone (NH)

|12

|17

|42

|78

|style='background: #ffffe6; |75

|0.07%

|0.10%

|0.26%

|0.48%

|style='background: #ffffe6; |0.47%

|Native American or Alaska Native alone (NH)

|23

|18

|25

|style='background: #ffffe6; |28

|0.13%

|0.14%

|0.11%

|0.15%

|style='background: #ffffe6; |0.18%

|Asian alone (NH)

|47

|38

|91

|117

|style='background: #ffffe6; |123

|0.27%

|0.23%

|0.56%

|0.72%

|style='background: #ffffe6; |0.78%

|Native Hawaiian or Pacific Islander alone (NH)

|style='background: #ffffe6; |7

|0.02%

|0.01%

|style='background: #ffffe6; |0.04%

|Other race alone (NH)

|55

|style='background: #ffffe6; |22

|0.31%

|0.01%

|0.04%

|0.02%

|style='background: #ffffe6; |0.14%

|Mixed race or Multiracial (NH)

|91

|130

|style='background: #ffffe6; |472

|0.56%

|0.80%

|style='background: #ffffe6; |2.98%

|Hispanic or Latino (any race)

|81

|74

|124

|205

|style='background: #ffffe6; |273

|0.46%

|0.45%

|0.77%

|1.26%

|style='background: #ffffe6; |1.73%

|Total

|17,587

|16,545

|16,149

|16,233

|style='background: #ffffe6; |15,813

|100.00%

|style='background: #ffffe6; |100.00%

2010 census

As of the 2010 United States census, there were 16,233 people, 6,726 households, and 4,438 families residing in the county.

The 2010 population density was .

Of the 6,726 households, 28.9% had children under the age of 18 living with them, 51.7% were married couples living together, 9.6% had a female householder with no husband present, 34.0% were non-families, and 29.3% of all households were made up of individuals. The average household size was 2.36 and the average family size was 2.88. The median age was 42.1 years. Richland is the top ranked most affordable county in Illinois to buy a car and is on average $932 less expensive than other Illinois counties.

Communities

City

Olney (seat)

Villages

Calhoun
Claremont
Noble
Parkersburg

Census-designated place

Dundas

Unincorporated communities

Berryville
Elbow
Wynoose

Townships

Richland County is divided into nine townships:

Government

{| class="wikitable sortable"

|+ Elected officials

! Office !! Office holder

| County Board Chairman|| Dennis Graves (R)

| County Board Vice Chairman|| Morgan Henton (R)

| County Board Member - District 1 || Brian VanBlaricum (R)

| County Board Member - District 2 || Dennis Graves (R)

| County Board Member - District 3 || Alexis McFarland (R)

| County Board Member - District 4 || Cynthia Given (D)

| County Board Member - District 5|| Morgan Henton (R)

| County Board Member - District 6|| Travis Paddock (R)

| County Board Member - District 7|| Steve Schonert (R)

| County Clerk || Amanda Troyer (R)

| County Circuit Clerk || Zach Holder (R)

| County Treasurer || Mike Hahn (R)

| County Assessor || Tim Hahn (R)

| Coroner || Steve Patterson (R)

| States Attorney || Chelsey Clark (R)

| County Sheriff || Andy Hires (R)